Definition of alumina Alumina
/ʌluˈmʌnʌ/ - [ulumunu] - a•lu•mi•na
We found 6 definitions of alumina from 6 different sources.
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What does alumina mean?
WordNet
NounPlural: aluminas |
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| alumina - any of various forms of aluminum oxide occurring naturally as corundum | ||
| aluminum oxide, aluminium oxide | ||
| corundom, corundum very hard mineral used as an abrasive | ||
| furnace lining, refractory lining consisting of material with a high melting point; used to line the inside walls of a furnace | ||
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Wiktionary 
Webster DictionaryWebster's Unabridged Dictionary 📘
- alumina (n.)
One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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alumina
A natural or synthetic oxide of aluminum widely distributed in nature, often found as a constituent part of clays, feldspars, micas and other minerals, and as a major component of bauxite.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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alumina
al-ū′min-a, Alumine, al′ū-min, n. one of the earths, the characteristic ingredient of common clay—the oxide of aluminium.—adj. Alū′minous, containing alum or alumina. [L. alumen, alum.]
Part of speech
🔤- alumina, noun, singular of aluminas.
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